Which of the following italicized phrases indicates CAUSE？（2010)A．Why don"t you do it for

Which of the following italicized phrases indicates CAUSE？(2010)

A．Why don"t you do it for the sake of your friends"？

B．I wish I could write as well as you.

C．For all his efforts, he didn"t get an A.

D．Her eyes were red from excessive reading.

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